title: Seasonal prevalence of hematozoa in Willow Ptarmigan (Lagopus lagopus) from northwestern British Columbia.
mesh_terms: D000818:Animals; D016782:Apicomplexa; D001715:Bird Diseases / Q000453:epidemiology*; D001717:Birds; D001955:British Columbia; D005368:Filariasis / Q000453:epidemiology / Q000662:veterinary*; D008842:Microfilariae; D011528:Protozoan Infections / Q000453:epidemiology; D011529:Protozoan Infections, Animal; D012621:Seasons; D014352:Trypanosomiasis / Q000453:epidemiology / Q000662:veterinary*